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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-14451) Vectorization: Add byRef mode for borrowed Strings in VectorDeserializeRow
Date Thu, 01 Sep 2016 12:51:20 GMT


Hive QA commented on HIVE-14451:

Here are the results of testing the latest attachment:

{color:green}SUCCESS:{color} +1 due to 4 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 10436 tests executed
*Failed tests:*
TestBeeLineWithArgs - did not produce a TEST-*.xml file
TestHiveCli - did not produce a TEST-*.xml file

Test results:
Console output:
Test logs:

Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed

This message is automatically generated.

ATTACHMENT ID: 12826543 - PreCommit-HIVE-MASTER-Build

> Vectorization: Add byRef mode for borrowed Strings in VectorDeserializeRow
> --------------------------------------------------------------------------
>                 Key: HIVE-14451
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: Vectorization
>            Reporter: Gopal V
>            Assignee: Matt McCline
>         Attachments: HIVE-14451.01.patch, HIVE-14451.02.patch
> In a majority of cases, when using the OptimizedHashMap, the references to the byte[]
are immutable. 
> The hashmap result always allocates on boundary conditions, but never mutates a previous
> Copying Strings out of the hashtable is entirely wasteful and it would be easy to know
when the currentBytes is a borrowed slice from the original input.

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